From 701755a24d798dabe9f604d71303a398356678b2 Mon Sep 17 00:00:00 2001 From: zhyinch <zhyinch@gmail.com> Date: 星期三, 08 九月 2021 20:06:42 +0800 Subject: [PATCH] 1 --- 源码/核心板/Src/OnChipDevices/Rcc_Nvic_Systick.c | 17 +++++++---------- 1 files changed, 7 insertions(+), 10 deletions(-) diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Rcc_Nvic_Systick.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Rcc_Nvic_Systick.c" index 15cffba..7077a09 100644 --- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Rcc_Nvic_Systick.c" +++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Rcc_Nvic_Systick.c" @@ -129,19 +129,16 @@ /* Enable and set EXTI Interrupt to the lowest priority */ NVIC_InitStructure.NVIC_IRQChannel = DECAIRQ_EXTI_IRQn; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn; - NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_Init(&NVIC_InitStructure); +// NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn; +// NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; +// NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; +// NVIC_Init(&NVIC_InitStructure); - NVIC_InitStructure.NVIC_IRQChannel = RTCAlarm_IRQn; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelCmd =ENABLE; + NVIC_Init(&NVIC_InitStructure); } @@ -195,7 +192,7 @@ void delay_us(uint32_t nTimer) { uint32_t i=0; - for(i=0;i<nTimer;i++){ + for(i=0;i<nTimer*5;i++){ __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP(); __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP(); __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP(); -- Gitblit v1.9.3